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NI PCI-4451
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Sanyo Denki P30B06010DXS8SM
Sanyo Denki P30B06010DXS8SM
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NI PCI-4462
NI PCI-4462

NI PCI-4451

Product Name:​ PCI-4451 Dynamic Signal Acquisition and Generation Device
Product Introduction:​ Legacy National Instruments DSA board for PCI bus, optimized for sound and vibration measurements with simultaneous analog input and output, AC/DC coupling and software-selectable IEPE excitation for piezoelectric sensors.
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Description
Technical Specifications:
  • Bus Interface:​ 32-bit PCI, 5 V signaling
  • Analog Input:​ 2 differential channels, 18-bit delta-sigma ADC, maximum 102.4 kS/s per channel
  • Analog Output:​ 2 channels, 18-bit DAC, up to 102.4 kS/s update rate, ±10 V range
  • Input Coupling:​ Software-selectable AC/DC
  • IEPE Excitation:​ 0, 4, 10 mA selectable per channel
  • Dynamic Range:​ approximately 100 dB typical
  • Connector:​ 68-pin SCSI-type analog connector, SMB for external trigger
  • Timing:​ RTSI bus support for multi-board synchronization
  • Operating Temperature:​ 0 °C to 50 °C
  • Driver Software:​ NI-DAQ legacy / NI-DAQmx (limited), LabVIEW, C/C++, VB
    Functional Features:​ Integrated anti-aliasing filters, onboard calibration reference, analog and digital triggering, simultaneous sampling and generation for stimulus-response testing.
    Application Scenarios:​ Audio frequency response measurement, accelerometer and microphone acquisition, structural modal test, machine condition monitoring.
    Working Principle:​ Analog signal is conditioned through programmable gain, AC/DC and IEPE front-end, digitized by delta-sigma modulator with digital decimation filter; output path uses oversampling DAC with anti-image filtering.
    Installation Requirements:​ Standard full-length PCI slot, 5 V PCI host, shielded cabling for low-level acoustic signals.
    Usage Notes:​ Do not exceed ±42 V on analog inputs; use proper BNC/SMB termination; avoid high ambient humidity condensation; legacy device requires older Windows DAQ driver stack.
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